magnet:?xt=urn:btih:3a05c06ceff9e9b077d3f1f4cd6269b60d96c895&xt=urn:md5:335ac8d7b6188a8a12f34fb90650c78a&xl=17394934&dn=5.12.10-0-202011040853qtcanvas3d-documentation.7z&as=https://download.qt.io/online/qtsdkrepository/linux_x64/desktop/qt5_51210_src_doc_examples/qt.qt5.51210.doc/5.12.10-0-202011040853qtcanvas3d-documentation.7z&tr=http://bt.qt-project.org:6969/announce